Makita UC3503A, UC4503A, UC4003A, UC3003A Repair Replacement of Clutch Drum and Brake Spring

P 6 / 8

Repair

< 5 > Replacement of Clutch Drum and Brake Spring (cont.)

3. Take Brake spring out of Gear housing (R), then remove Brake spring from the claw of Brake spring holder. (Fig. 12)

Fig. 12

Enlarged image of [A]

Gear housing (R) Brake spring holder

Brake spring holder

[A]	Brake spring
Brake spring	Claw of brake
	spring holder

<6 > Replacement of Brake Spring Holder

1.First lock Clutch drum with Brake spring using Retaining ring S pliers (1R003) as described below. Place the jaws of the pliers as illustrated in Fig. 13.

Open the pliers until Brake spring holder is locked in the position as illustrated in Fig. 13. Now clutch drum is locked with Brake spring.

2.Inert one jaw of Retaining ring R pliers (No.1R005) into the hole of Brake spring holder, and the other jaw into Compression spring 9 as illustrated in Fig. 14.

By closing the pliers, Compression spring 9 can be removed from Gear housing (R).

Fig. 13

Gear housing (R)

Brake spring holder	Retaining ring S pliers
		(No.1R003)

Fig. 14

Compression spring 9	Retaining ring R pliers
	(No.1R005)

Clutch drum Brake spring

3.By removing Clamp washer using a slotted screwdriver or the like, Blake spring holder can be replaced. (Fig. 15) Note: Do not reuse a Clamp washer removed from Gear housing (R). Always use brand-new one.

Fig. 15

Gear housing (R) Clamp washer

Brake spring holder

(to be continued to next page)